feat(admin, admin-ui, medusa-js, medusa-react, medusa): Support Admin Extensions (#4761)

Co-authored-by: Rares Stefan <948623+StephixOne@users.noreply.github.com>
Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

packages/admin/package.json

@@ -5,12 +5,13 @@
     "medusa-admin": "./bin/medusa-admin.js"
   },
   "main": "index.js",
-  "types": "types/index.d.ts",
+  "types": "lib/index.d.ts",
   "files": [
     "bin",
     "types",
     "*.js",
     "api",
+    "lib",
     "loaders",
     "commands",
     "utils",
@@ -26,21 +27,31 @@
     "directory": "packages/admin"
   },
   "dependencies": {
-    "@medusajs/admin-ui": "^1.9.4",
+    "@medusajs/admin-ui": "*",
+    "@medusajs/ui": "0.0.0-snapshot-20230816100247",
+    "@medusajs/ui-preset": "0.0.0-snapshot-20230816100247",
+    "@rollup/plugin-alias": "5.0.0",
+    "@rollup/plugin-commonjs": "24.1.0",
+    "@rollup/plugin-json": "6.0.0",
+    "@rollup/plugin-node-resolve": "15.0.2",
+    "@rollup/plugin-replace": "5.0.2",
+    "@rollup/plugin-virtual": "^3.0.1",
     "commander": "^10.0.0",
-    "dotenv": "^16.0.3",
-    "express": "^4.17.1",
-    "fs-extra": "^11.1.0",
-    "medusa-core-utils": "^1.2.0",
-    "ora": "5.4.0",
-    "picocolors": "^1.0.0",
+    "dotenv": "16.0.3",
+    "esbuild": "0.17.18",
+    "express": "4.18.2",
+    "fs-extra": "11.1.0",
+    "lodash": "^4.17.21",
+    "medusa-core-utils": "1.2.0",
+    "rollup": "3.20.7",
+    "rollup-plugin-esbuild": "5.0.0",
     "ts-dedent": "^2.2.0"
   },
   "peerDependencies": {
-    "@medusajs/medusa": "^1.12.0"
+    "@medusajs/medusa": "1.12.0"
   },
   "devDependencies": {
-    "@medusajs/medusa": "^1.13.1",
+    "@medusajs/medusa": "*",
     "@types/express": "^4.17.13",
     "typescript": "^4.9.3"
   },